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Crypto Microdata for Agents – Ping/Health Check (x402)
x402
Crypto Microdata for Agents – Ping/Health Check (x402) is a paid API for AI agents from kr-x402-mvp.kgy5612.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-31).
Validates x402 payment connectivity and returns a server heartbeat with navigation hints to available paid crypto-data endpoints, paid via USDC on Base.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.
Output
Returns a JSON object containing: server UTC timestamp (`t`), `ok: true` confirming liveness, an array of `next` suggested paid endpoint paths (e.g. /crypto/base-gas, /crypto/simulate), a `receiptId` confirming the x402 USDC micropayment was processed, echoed `testRunId` for call correlation, and `paymentVerified: true` confirming the Base USDC payment succeeded.
Example use cases
Agent bootstrap connectivity check
“Before my trading bot makes any paid calls, ping the x402 crypto microdata service with echo tag 'trading-bot-v2' to confirm the payment channel is live and show me which endpoints I can call next.”
Integration test for x402 payment flow
“I'm testing my agent's x402 USDC payment integration — send a ping with testRunId 'integration-test-42' so I can verify the payment is verified and the receipt ID comes back correctly.”
Discover available crypto data routes
“Hit the x402 crypto microdata ping endpoint and tell me what data routes it suggests I call next — I want to know if Base gas, token risk, and Hyperliquid book endpoints are all listed.”
Technical details
Endpoint
GEThttps://kr-x402-mvp.kgy5612.workers.dev/v1/ping?utm_source=zero.xyzWhen to prefer
Use this endpoint as the first call when bootstrapping a new trading or onchain AI agent to confirm x402 USDC payment plumbing works end-to-end before committing to paid data calls. Prefer it over calling paid data endpoints directly when you want a cheap ($0.001) connectivity test, want to discover available routes dynamically, or need to correlate a test run with a custom ID. Not suitable for retrieving actual market data — use sibling endpoints for Base gas, token risk, Hyperliquid book, or kimchi premium data.
Side effects
- Payment not received or insufficient USDC balance — returns HTTP 402 with payment-required details
- Invalid or malformed x402 payment header — server rejects with 400 or 402
- echo or testRunId exceeds maxLength (64 and 100 chars respectively) — likely ignored or truncated
- Worker cold-start latency spike on Cloudflare edge — response may be slower than typical
- Network timeout if Base blockchain payment verification stalls
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"t": "2026-10-28T14:00:00Z",
"ok": true,
"next": [
"/crypto/simulate",
"/crypto/ens",
"/crypto/liquidations?coin=BTC",
"/crypto/base-gas"
],
"receiptId": "rcpt_0b9f6c1e2a7d4c55",
"testRunId": "run-001",
"nextAction": "call_paid_data",
"paymentVerified": true
}
}Tags
x402
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